Home / 14,265.59-19,687.19-7,892.15

Finding the Fourth Proportional to 14,265.59, 19,687.19 and 7,892.15

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Solution

The fourth proportional to 14,265.59, 19,687.19 and 7,892.15 is: 10,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.59 : 19,687.19 = 7,892.15 : x
  2. Step 2: Convert to fraction form
    14,265.59/19,687.19 = 7,892.15/x
  3. Step 3: Cross multiply
    14,265.59x = 19,687.19 × 7,892.15
  4. Step 4: Simplify right side
    14,265.59x = 155,374,118.66
  5. Step 5: Solve for x
    x = 155,374,118.66/14,265.59
  6. Step 6: Final answer
    x = 10,891.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.